Pith Number

pith:7FLJX7VU

pith:2014:7FLJX7VUCOPYI63ZFO4S23VM5I

not attested not anchored not stored refs pending

A note on the hausdorff dimension of the singular set for minimizers of the mumford-shah energy

Berardo Ruffini (SNS), Camillo De Lellis, Matteo Focardi

arxiv:1403.3388 v2 · 2014-03-13 · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7FLJX7VUCOPYI63ZFO4S23VM5I}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:56:06.160812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9569bfeb4139f847b792bb92d6eacea11dd7d23ce187012565dd655d6c22298

Aliases

arxiv: 1403.3388 · arxiv_version: 1403.3388v2 · doi: 10.48550/arxiv.1403.3388 · pith_short_12: 7FLJX7VUCOPY · pith_short_16: 7FLJX7VUCOPYI63Z · pith_short_8: 7FLJX7VU

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/7FLJX7VUCOPYI63ZFO4S23VM5I \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f9569bfeb4139f847b792bb92d6eacea11dd7d23ce187012565dd655d6c22298

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bf9585a5adff49ff606bef4ac29936442d878b03477a02e881fb2eff52648a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-03-13T19:59:25Z",
    "title_canon_sha256": "202016995281828906c489a6133e2d7a34358474d2fc5325166a1f88abba9d06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3388",
    "kind": "arxiv",
    "version": 2
  }
}